that takes exploration and education. silvia is in her 70s, but she is not slowing down. she launched an alliance called mission blue to ignite public interest and save critical ocean habitat. >> now that we know, we can do better. we can take action. it will protect the plorocaucus and it will protect the ocean. it will actually protect human beings. >> well, the first step is just knowing. if you want to know more, we have links at abc7news.com under see it on tv. very interesting and very important. >> fascinating. >>> a new ad from president obama's campaign is raising highbrows tonight over its provocative phrasing. >> your first time shouldn't be with just anybody. you want to do it with a great guy. it should be a -- with a guy with beautiful -- somebody who really cares about and understands women. a guy who cares -- >> she is talking about voting for the first time. while some applaud the ad for clever word play, critics call it tasteless and inappropriate. mitt romney campaigned in ohio tonight, and he talked about the economy. >> these have been tough times to